1) A nurse is assessing a client who is taking levothyroxine. The nurse should recognize that

which of the following findings is a manifestation of levothyroxine overdose?

a) Insomnia

i) Rationale: Levothyroxine overdose will result in manifestations of

hyperthyroidism, which include Insomnia, tachycardia, and

hyperthermia.

b) Constipation

i) Rationale: Constipation is a manifestation of hypothyroidism and indicates an

inadequate dose of levothyroxine.

c) Drowsiness

i) Rationale: Drowsiness is a manifestation of hypothyroidism and indicates an

inadequate dose of levothyroxine.

d) Hypoactive deep-tendon reflexes

i) Rationale: Hypoactive deep-tendon reflexes are manifestations of hypothyroidism

and indicate an inadequate dose of levothyroxine.

2) A nurse is reviewing the medical record of a client who has been on levothyroxine for

several months. Which of the following findings indicates a therapeutic response to the

medication?

a) Decrease in level of thyroxine (T4)

i) Rationale: If the dose of this medication has been adequate, the nurse should see

an increase in the T4.